Cape Lamb () is a cape which forms the southwest tip of Vega Island in the James Ross Island group. Discovered by the Swedish Antarctic Expedition, 1901–04, under Otto Nordenskjold. Resighted in 1945 by the Falkland Islands Dependencies Survey (FIDS), and named after Ivan M. Lamb (1911–90), botanist on the FIDS staff at Port Lockroy, 1944; at Hope Bay, 1945; leader of biological expedition to Melchior Islands, 1964-65.
This article incorporates public domain material from the United States Geological Survey document "Cape Lamb" (content from the Geographic Names Information System).